Answer:
Mercury, rontgen rays, etc.
Explanation:
There are lots of answers to this question, hope these two help.
Answer:

Explanation:
The statements are logically equivalent if they have the same truth tables. So let´s use truth tables in order to determine if they are logically equivalent or not:
The picture that I attached you shows the truth table for each case. As you can see in the highlight columns:

They are logically equivalent because they have exactly the same truth values between each other. Hence, we can conclude that they are logically equivalent.
Answer:
application software refers to the programs or series of instructions that allows us to do specific type of task on a personal computer examples word processing programs, spreadsheet programs, presentation programs among others
HTML stands for Hyper Text Markup Language. It is the most commonly language used for <span>creating web pages and web applications. </span>
<span>The correct HTML element for playing video files is <video>.
</span>
To show a video in HTML, use the <video> element:
Example:<span><video<span> width="320" height="240" controls</span>></span>
<span><source<span> src="video 1.mp4" type="video/mp4"</span>></span>
<span><source<span> src="movie.ogg" type="video/ogg"</span>></span>
<span></video<span>></span></span>